Wind Chill First-class Mail In 2015 the U.S. Postal Service charged postage for first-class mail retail flats (such as an by envelope) weighing up to 1 ounce, plus for each additional ounce up to 13 ounces. First-class rates do not apply to flats weighing more than 13 ounces. Develop a model that relates , the first-class postage charged, for a flat weighing ounces. Graph the function.
Source: United States Postal Service
To find:
a. Develop a model , the first-class postage charged, for a flat weighing ounces.
Answer to Problem 59AYU
a.
Explanation of Solution
Given:
It is given that the U.S. Postal Service charged postage for first-class mail retail flats weighing up to 1 ounce, plus for each additional ounce up to 13 ounces.
a. Let the first-class postage charged, for a flat weighing ounces.
Upto 1 ounce, .
1-2 ounce
2-3 ounce
3-4 ounce
4-5 ounce
5-6 ounce
6-7 ounce
7-8 ounce
8-9 ounce
9-10 ounce
10-11 ounce
11-12 ounce
12-13 ounce
First-class rates do not apply to flats weighing more than 13 ounces.
The function can be defined as,
To find:
b. Graph of the function .
Answer to Problem 59AYU
b.
Explanation of Solution
Given:
It is given that the U.S. Postal Service charged postage for first-class mail retail flats weighing up to 1 ounce, plus for each additional ounce up to 13 ounces.
b.
Chapter 2 Solutions
Precalculus
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